state gov Rajasthan Gram Vikas Adhikari (VDO) Mock Test 2021 Quantitative Aptitude Time and Work Work Efficiency
A complete \(\frac{7}{10}\) part of work within 15 days. Thereafter with the help of B, he completes the rest of the work within 4 days. B alone will be able to do it in how many days.
1
21 (3/7) days
2
35 (5/17) days
3
28 (5/15) days
4
30 (7/17) days